AirHint found the following cheapest return flights from London (LCY) to Perth (PER) in January 2026 (see full year).

Return flights

27 Jan - 10 Feb	KLM
23 Jan - 10 Feb	KLM
26 Jan - 09 Feb	KLM
26 Jan - 11 Feb	KLM
20 Jan - 10 Feb	KLM
26 Jan - 10 Feb	KLM
26 Jan - 12 Feb	KLM
12 Jan - 10 Feb	KLM
21 Jan - 10 Feb	KLM
21 Jan - 08 Feb	KLM
18 Jan - 30 Jan	KLM
20 Jan - 27 Jan	KLM
12 Jan - 26 Jan	KLM
06 Jan - 21 Jan	SWISS
06 Jan - 24 Jan	KLM
15 Jan - 31 Jan	British Airways
13 Jan - 27 Jan	British Airways
17 Jan - 24 Jan	British Airways
06 Jan - 13 Jan	SWISS
15 Jan - 26 Jan	British Airways

Also check the deals for one-way flights from London to Perth in January.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from London to Perth in January from 1033€

Return flights